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${{\mathit \eta}_{{{2}}}{(1870)}}$ WIDTH

INSPIRE JSON (beta) PDGID:

VALUE (MeV)

EVTS

DOCUMENT ID

TECN

COMMENT

$\bf{ 225 \pm14}$

OUR AVERAGE

$235$ $\pm22$

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}_{{{s}}}}$

$228$ $\pm23$

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}$4 ${{\mathit \pi}}{{\mathit p}_{{{s}}}}$

$200$ $\pm40$

OMEG

450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$)

$200$ $\pm25$ $\pm45$

CBAR

1.94 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$

$221$ $\pm92$ $\pm44$

$26$

CBAL

${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$

• • We do not use the following data for averages, fits, limits, etc. • •

$250$ $\pm25$ ${}^{+50}_{-35}$

SPEC

$0.9 - 1.94$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$

$170$ $\pm40$

BES

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

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